The Big Stick policy of President Theodore Roosevelt primarily affected Latin America through military and diplomatic interventions, most notably the construction of the Panama Canal. This approach emphasized American influence in the region, justifying actions like the intervention in the Dominican Republic. Thus, the correct choice is C. Latin America.
;
The Big Stick policy of President Theodore Roosevelt primarily affected Latin America through interventions and the construction of the Panama Canal. This policy emphasized military strength to exert influence in the Western Hemisphere. Roosevelt's actions significantly shaped U.S. relations with Latin American countries during this period. ;